<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>用户登录</title>
</head>
<body>
    <form action="/Login" method="post">
        用户名：<input name="username"><br>
        密码：<input name="password"><br>
        <button type="submit">提交</button>
    </form>
</body>
</html>